Open roaster



FIG. 1 is a perspective view of the open roaster showing my new design;

FIG. 2 is a side elevational view of one side of the open roaster, the other side being substantially identical;

FIG. 3 is an end view of one end of the open roaster, the other end being substantially identical;

FIG. 4 is a top plan view of the open roaster; and,

FIG. 5 is a bottom plan view of the open roaster. 

The ornamental design for the open roaster, as shown and described. 